package servlet;

import service.CardService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/UpdateServlet")
public class UpdateServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        PrintWriter out = response.getWriter();
        CardService service = new CardService();

        int id = Integer.parseInt(request.getParameter("id"));
        int status = Integer.parseInt(request.getParameter("status"));
        if (status == 0){
            status = 1;
        }else {
            status = 0;
        }
        int result = service.update(id,status);

        String r = "更新失败";
        if (result > 0){
            r = "更新成功";
        }
        out.println("<script>alert('"+r+"！');location.href='ListServlet';</script>");
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request,response);
    }
}
